Bearing Surfaces
A 58-year-old woman with a large-head metal-on-metal total hip arthroplasty performed 8 years ago presents with progressive hip pain and clicking. Blood tests reveal elevated cobalt (45 ppb) and chromium (35 ppb) levels. She is otherwise well with no systemic symptoms. Regarding metal-on-metal hip arthroplasty complications:
Mark each as TRUE or FALSE
Metal-on-metal (MoM) bearings generate cobalt and chromium wear debris that can cause adverse local ...
Systemic effects of metal ion release include possible neurological symptoms (cognitive impairment, ...
Metal-on-metal bearings have superior wear characteristics to all other bearings; pseudotumors are a...
Investigation includes blood cobalt and chromium levels (annual monitoring recommended), MARS (metal...
Revision surgery is indicated for symptomatic ALTR, progressive tissue destruction on imaging, or si...
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Click T (True) or F (False) for each option